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Latest Lindsay Zanno Stories

Dinosaur From Utah Was Top Predator, Ruled Over Early Tyrannosaurs
2013-11-22 07:40:39

Tyrannosaurs rex has long been considered the apex predator of its time. But this large meat-eating theropod’s earlier relatives did not celebrate such stature, based on new evidence by a multi-institutional team of researchers who have found a new contender to fill the role of top dog during the early-to-mid-Cretaceous period.

Evolution Of Theropods Linked To Environmental Factors
2012-11-29 05:41:02

A recent study out of North Carolina State University and the Field Museum in Chicago looks specifically at the feathered herbivores of the Cretaceous period and how their size and utility fluctuated over time.

Image 1 - New Raptor Species Announced
2011-09-20 11:01:42

A graduate student from Montana State University is part of a team of researchers that revealed a new species of raptorial dinosaur to the public on Monday, the first definitive troodontid theropod discovered from the Late Cretaceous Period of North America in more than 75 years.

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2010-12-21 09:00:00

While dinosaurs such as the Tyrannosaurus rex have long been assumed to be carnivorous, many of them were, in fact, vegetarians.

2009-07-15 12:48:20

A new dinosaur species found in southern Utah has been identified, a fearsome looking creature that ate only plants, researchers say. Lindsay Zanno, a paleontologist at the Field Museum in Chicago, and her colleagues described Nothronychus graffami in a paper published Tuesday in Proceedings of the Royal Society B: Biological Sciences, the Chicago Sun-Times reported. The species is related to the velociraptor, the carnivorous dinosaurs made famous by the book and movie Jurassic Park, and to...

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2005-05-04 13:15:00

Scientists have caught a dinosaur in the act of evolving from meat-eater to vegetarian. The two-legged, feathered creature ate plants, but its bones show that the transition from its carnivorous ancestors was still in progress.